-65.58% is the change from 828 to 285
Calculation steps:
[( 285 - 828 ) ÷ 828] x 100 = -65.58%
Formula
Percentage change = [(285 - 828) / 828] x 100
Subtract the new number by the original number
285 - 828 = -543
-543 ÷ 828 = -0.6557971014492754
-0.6557971014492754 x 100 = -65.58%